1/**
2 * Copyright 2007 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.tonicsystems.jarjar;
18
19import java.util.*;
20
21abstract public class PatternElement
22{
23    private String pattern;
24
25    public void setPattern(String pattern) {
26        this.pattern = pattern;
27    }
28
29    public String getPattern() {
30        return pattern;
31    }
32
33    static List<Wildcard> createWildcards(List<? extends PatternElement> patterns) {
34        List<Wildcard> wildcards = new ArrayList<Wildcard>();
35        for (PatternElement pattern : patterns) {
36            String result = (pattern instanceof Rule) ? ((Rule)pattern).getResult() : "";
37            String expr = pattern.getPattern();
38            if (expr.indexOf('/') >= 0)
39                throw new IllegalArgumentException("Patterns cannot contain slashes");
40            wildcards.add(new Wildcard(expr.replace('.', '/'), result));
41        }
42        return wildcards;
43    }
44}
45